* Makeile.in (DLL_OFILES): Add reference to the new netdb.cc file.
* cygwin.din : Add new aliased exports for service and protocol enumerations in
netdb.cc.
* cygwin.din (pututline): New exported function.
* syscalls.cc (login): Use pututiline().
(setutent): Open utmp as read/write.
(endutent): Check if utmp file is open.
(utmpname): call endutent() to close current utmp file.
(getutid): Enable all cases, use strncmp() to compare ut_id fields.
(pututline): New.
* tty.cc (create_tty_master): Set ut_pid to current pid.
* pinfo.h (SIGCOMMUNE): New signal type.
(commune_result): New structure for commune functions.
(picom): New enum for commune functions.
(_pinfo::hello_pid): New. Pid who's communicating with me.
(_pinfo::tothem): New. Handle of communicating pipe.
(_pinfo::fromthem): Ditto.
(_pinfo::commune_recv): Declare.
(_pinfo::commune_send): Declare.
(_pinfo::alive): Declare.
(_pinfo::cmdline): Declare.
(_pinfo::lock): Declare.
* pinfo.cc (set_myself): Initialize new _pinfo lock.
(_pinfo::alive): Define. Determines if process still exists.
(_pinfo::commune_recv): Define. Receive info from another cooperating process.
(_pinfo::commune_send): Define. Send info to another cooperating process.
(_pinfo::cmdline): Define. Determine command line of a given process.
* include/sys/cygwin.h (CW_CMDLINE): Define.
*sigproc.cc (talktome): Communicate with any processes who want to talk to me.
(wait_sig): Honor __SIGCOMMUNE.
* fhandler.cc (fhandler_virtual::fixup_after_exec): Declare.
* fhandler_proc.cc: Use malloc/free/realloc throughout rather than cmalloc
since buffers don't need to be propagated to subprocesses.
* fhandler_registry.cc: Ditto.
* fhandler_virtual.cc: Ditto.
(fhandler_virtual::fixup_after_exec): Define.
* fhandler_process.cc: Ditto for malloc/free/realloc.
(process_listin): Add "cmdline".
(fhandler_process::fill_filebuf): Implement PROCESS_CMDLINE.
* miscfuncs.cc (isalpha_array): New array populated with xor values for alpha
characters to switch from one case to another.
* string.h (cygwin_strcasematch): New asm implementation of case match.
* string.h (cygwin_nstrcasematch): New asm implementation of counted case
match.
* cygwin.din: Remove last vestiges (?) of newlib wrappers.
* cygthread.cc (cygthread::detach): Always wait for event or suffer an
apparently inavoidable race.
* dcrt0.cc (dll_crt0_1): Allocate threads after stack has been relocated.
* debub.cc (lock_debug): Don't acquire lock on exit.
* fork.cc (fork_child): Recreate mmaps before doing anything else since Windows
has a habit of using blocks of memory in the child that could previously have
been occupied by shared memory in the parent.
* mmap.cc (fhandler_disk_file::fixup_mmap_after_fork): Issue error here and
provide some details about what went wrong.
(fixup_mmaps_after_fork): Remove error message.
* shared.cc (open_shared): Move warning message so that more detail is
possible.
* sigproc.cc (sigproc_init): Initialize sync_proc_subproc to avoid a race.
(sigproc_terminate): Specifically wait for process thread to terminate.
(child_info_fork::heaptop): Remove obsolete element.
(child_info_fork::heabbase): Ditto.
(child_info_fork::heapptr): Ditto.
(child_info_fork::mount_table): New element.
(child_info_fork::myself_addr): Ditto.
* dcrt0.cc (dll_crt0_1): Set mount_table and myself_addr when forking.
(initial_env): Add newline to "sleeping" message.
* dll_init.cc (reserve_upto): Accommodate cygwin heap when freeing memory.
Make debugging output a little more descriptive.
* fork.cc (fork_parent): Save mount_table and myself_addr.
* pinfo.cc (myself_addr): New variable.
(set_myself): Pass PID_MYSELF flag to init.
(pinfo::Init): Honor PID_MYSELF. Save address where myself shared memory
resides in myself_addr, for fork.
* pinfo.h (myself_addr): Declare.
* shared.cc (memory_init): On fork, use previously saved address for location
of mount table.
* include/sys/cygwin.h (PID_MYSELF): New value.
* dtable.cc (dtable::stdio_init): Don't pass access type to
init_std_file_from_handle. It's always the same.
(dtable::init_std_file_from_handle): Remove access type argument. Assume
read/write.
* dtable.h (dtable::init_std_file_from_handle): Ditto for declaration.
* exceptions.cc (try_to_debug): Don't try to debug if already being debugged.
* fhandler_console.cc (shared_console_info_save): New variable.
(fhandler_console::get_tty_stuff): Save address of shared console stuff for
fork.
GNUify non-GNU formatted functions calls throughout.
2002-09-22 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (with_strerr): Remove macro.
(server_shmmgr::segment_t::~segment_t): Remove calls to with_strerr.
(server_shmmgr::segment_t::attach): Ditto.
(server_shmmgr::new_segment): Ditto.
* shm.cc (with_strerr): Remove macro.
(client_shmmgr::shmdt): Remove calls to with_strerr.
(client_shmmgr::attach): Ditto.
2002-09-21 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/sys/ipc.h: Move to "include/cygwin/ipc.h".
* include/sys/msg.h: Move to "include/cygwin/msg.h".
* include/sys/sem.h: Move to "include/cygwin/sem.h".
* include/sys/shm.h: Move to "include/cygwin/shm.h".
* include/cygwin/ipc.h: New file.
* include/cygwin/msg.h: Ditto.
* include/cygwin/sem.h: Ditto.
* include/cygwin/shm.h: Ditto.
* cygserver_shm.h: Update includes.
* msg.cc: Ditto.
* sem.cc: Ditto.
2002-09-21 Conrad Scott <conrad.scott@dsl.pipex.com>
* safe_memory.h (safe_delete): Make a templated function.
* cygserver.cc (~server_request): Update use of safe_delete.
(main): Ditto.
* cygserver_client.cc (client_request::handle_request): Ditto.
(client_request::make_request): Ditto.
* cygserver_process.cc (~process_cleanup): Ditto.
(process::remove): Ditto.
(process::cleanup): Ditto.
(process_cache::process): Ditto.
* cygserver_shm.cc (server_shmmgr::segment_t::detach): Ditto.
(server_shmmgr::delete_segment): Ditto.
* shm.cc (client_shmmgr::shmdt): Ditto.
* threaded_queue.cc (~threaded_queue): Ditto.
(threaded_queue::worker_loop): Ditto.
2002-08-29 Conrad Scott <conrad.scott@dsl.pipex.com>
* safe_memory.h: Replace #include <new> with an explicit
definition of the placement new operator.
(safe_delete): Remove unnecessary ## operator.
2002-07-28 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (class server_shmmgr): Remove `cleanup_t'
friend declaration.
(cleanup_t::cleanup_t): Use the segment's shmid as the key rather
than the segment pointer itself.
(cleanup_t::segptr): Remove method.
(cleanup_t::shmid): New method.
(cleanup_t::cleanup): Update for new key value.
(server_shmmgr::find (segment_t *)): Remove method.
* include/cygwin/cygserver_process.h (cleanup_routine::key): Make
method const.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver_process.h
(cleanup_routine::_key): New field.
(cleanup_routine::cleanup_routine): Initialise new field with new
argument.
(cleanup_routine::operator==): New method.
(cleanup_routine::key): New method.
(cleanup_routine::cleanup): Make argument non-const.
(process::is_active): New method.
(process::remove): Ditto.
(process::check_exit_code): Rename method.
* cygserver_process.cc (process::add): Reorganize code.
(process::remove): New method.
(process::check_exit_code): Rename method.
(process::cleanup): Use new `process::is_active' method.
(process_cache::process): Ditto.
(process_cache::sync_wait_array): Ditto.
(process_cache::check_and_remove_process): Ditto.
* cygserver_shm.cc (server_shmmgr): Make `cleanup_t' a friend.
(segment_t::detach): Make argument non-const. Remove cleanup
object from client if appropriate.
(cleanup_t::_segptr): Remove field.
(cleanup_t::cleanup_t): Initialise parent explicitly. Remove
field.
(cleanup_t::segptr): New method.
(cleanup_t::cleanup): Add error checking and reporting.
(server_shmmgr::shmdt): Make argument non-const.
(server_shmmgr::find (segment_t *)): New method.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (client_request_shutdown::client_request_shutdown):
Comment out verbose tracing statement.
* cygserver_client.cc
(client_request_get_version::client_request_get_version): Ditto.
(client_request_attach_tty::client_request_attach_tty): Ditto.
* cygserver_shm.cc (client_request_shm::client_request_shm):
Ditto.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport_pipes.cc (transport_layer_pipes::listen):
Set `_is_listening_endpoint' appropriately.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver_transport.h
(transport_layer_base::listen): Change return type.
(transport_layer_base::connect): Ditto.
* include/cygwin/cygserver_transport_pipes.h
(transport_layer_pipes::listen): Change return type.
(transport_layer_pipes::connect): Ditto.
(transport_layer_pipes::_sec_none_nih): Remove unused field.
(transport_layer_pipes::_is_listening_endpoint): New field.
* cygserver_transport_pipes.cc: Synchronize with sockets code.
(transport_layer_pipes::transport_layer_pipes): Initialise new
field. Separate out asserts.
(transport_layer_pipes::listen): Change return type. Add asserts.
(transport_layer_pipes::accept): Add asserts.
(transport_layer_pipes::read): Change conditional to an assert.
Add assert.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::connect): Change return type. Change
conditional to an assert. Add asserts. Rationalize error code
slightly.
(transport_layer_pipes::impersonate_client): Add asserts.
* include/cygwin/cygserver_transport_sockets.h
(transport_layer_sockets::listen): Change return type.
(transport_layer_sockets::connect): Ditto.
(transport_layer_sockets::_addr): Change type of field.
(transport_layer_sockets::_addr_len): Ditto.
(transport_layer_sockets::_is_accepted_endpoint): New field.
(transport_layer_sockets::_is_listening_endpoint): Ditto.
* cygserver_transport_sockets.cc
(MAX_CONNECT_RETRY): New constant.
(transport_layer_sockets::transport_layer_sockets): Initialise new
fields. Only initialise the socket address where necessary.
(transport_layer_sockets::listen): Change return type. Rewrite.
(transport_layer_sockets::accept): Add asserts. Add tracing
statements. Use a local variable to hold the accepted address.
(transport_layer_sockets::close): Add tracing statements. Unlink
the UNIX domain socket file as appropriate. Close the socket
cleanly.
(transport_layer_sockets::read): Rewrite method.
(transport_layer_sockets::write): Ditto.
(transport_layer_sockets::connect): Change return type. Rewrite.
* cygserver.cc (server_submission_loop::request_loop): Run the
listening thread at high priority with special handling for
shutdown.
(main): Print the request error code rather than errno in shutdown
request code. Install signal handlers with sigaction(2) to avoid
setting SA_RESTART. Check value of the listen method call, now it
has one.
* cygserver_client.cc (client_request::make_request): Check new
return value on connect method call.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver_transport_pipes.h
(cygserver_transport_pipes::_sd): Rename field.
(cygserver_transport_pipes::_sec_none_nih): Ditto.
(cygserver_transport_pipes::_sec_all_nih): Ditto.
(cygserver_transport_pipes::_pipe_name): Ditto.
(cygserver_transport_pipes::_hPipe): Ditto.
(cygserver_transport_pipes::_is_accepted_endpoint): Ditto.
* cygserver_transport_pipes.cc
(transport_layer_pipes::transport_layer_pipes): Rename fields.
(transport_layer_pipes::init_security): Ditto.
(transport_layer_pipes::listen): Ditto.
(transport_layer_pipes::accept): Ditto.
(transport_layer_pipes::close): Ditto.
(transport_layer_pipes::read): Ditto.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::connect): Ditto.
(transport_layer_pipes::impersonate_client): Ditto.
(transport_layer_pipes::revert_to_self): Ditto.
* include/cygwin/cygserver_transport_sockets.h
(cygserver_transport_sockets::_fd): Rename field.
(cygserver_transport_sockets::_addr): Ditto.
(cygserver_transport_sockets::_addr_len): Ditto.
* cygserver_transport_sockets.cc
(transport_layer_sockets::transport_layer_sockets): Rename fields.
(transport_layer_sockets::listen): Ditto.
(transport_layer_sockets::accept): Ditto.
(transport_layer_sockets::close): Ditto.
(transport_layer_sockets::read): Ditto.
(transport_layer_sockets::write): Ditto.
(transport_layer_sockets::connect): Ditto.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (with_strerr): Fix use of %p format.
* shm.cc (client_shmmgr::shmat): Ditto.
(client_shmmgr::shmctl): Ditto.
(client_shmmgr::shmdt): Ditto.
(client_shmmgr::attach): Ditto.
2002-07-14 Christopher Faylor <cgf@redhat.com>
* woutsup.h (system_printf): Remove extraneous semicolon from macro
definition.
2002-07-14 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport_pipes.cc
(transport_layer_pipes::connect): Use ProtectHandle in DLL code.
(transport_layer_pipes::close): Use ForceCloseHandle in DLL code.
2002-07-13 Nicholas Wourms <nwourms@netscape.com>
* threaded_queue.h (class queue_submission_loop): Correct friend
declaration for GCC 3.1.1.
* include/cygwin/cygserver_process.h (class process): Ditto.
(class process_cache): Ditto.
2002-07-12 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (server_shmmgr::shmdt): Only call
delete_segment if the segment exists [sic].
2002-07-12 Conrad Scott <conrad.scott@dsl.pipex.com>
* safe_memory.h: Include <new> rather than <new.h> for gcc 3.
2002-07-11 Conrad Scott <conrad.scott@dsl.pipex.com>
* safe_memory.h: New file extracted from "woutsup.h".
* woutsup.h: Move the "safe" new/delete macros into the new
"safe_memory.h" header file and include that here.
* cygserver_client.cc: Explicitly include "safe_memory.h" for
client-side code.
(client_request::make_request): Use the "safe" new/delete macros
unconditionally, i.e. use them on the client side as well as on
the server side.
* cygserver_transport.cc: Explicitly include "safe_memory.h" for
client-side code.
(create_server_transport): Use the "safe" new/delete macros
unconditionally, i.e. use them on the client side as well as on
the server side.
* shm.cc: Include "safe_memory.h".
(client_shmmgr::instance): Use the "safe" new/delete macros.
(client_shmmgr::shmdt): Ditto.
(client_shmmgr::new_segment): Ditto.
2002-07-11 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_process (process::process): Add the client's cygpid
and winpid to all tracing statements as appropriate.
(process::exit_code): Ditto.
(process_cache::check_and_remove_process): Ditto.
* cygserver_shm.cc (server_shmmgr::shmat): Ditto.
(server_shmmgr::shmdt): Ditto.
(server_shmmgr::shmctl): Add a process object argument and remove
the explicit cygpid argument. Add the client's cygpid and winpid
to all tracing statements as appropriate.
(server_shmmgr::shmget): Ditto.
(client_request_shm::serve): Update for the new signature of the
shmctl and shmget methods.
2002-07-11 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (client_request_shutdown::serve): Don't set the
shutdown flag directly, but send a SIGINT, as the signal handler
sets the flag and the signal breaks the pause(2) in the main loop.
(print_usage): Add new options.
(main): Add new --cleanup-threads and --request-threads options to
set the number of threads used by the daemon. Use pause(2) rather
the win32 Sleep in the main loop.
* shm.cc (shmat): Add sigframe.
(shmctl): Ditto.
(shmdt): Ditto.
(shmget): Ditto.
2002-07-11 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc: Automatically detach processes from any
segments they are attached to at exit.
(class server_shmmgr::attach_t): New class.
(server_shmmgr::segment_t::IS_DELETED): Rename and make private.
(server_shmmgr::segment_t::_sequence): Make private.
(server_shmmgr::segment_t::_flg): Ditto.
(server_shmmgr::segment_t::_hFileMap): Ditto.
(server_shmmgr::segment_t::_attach_head): New private field.
(server_shmmgr::segment_t::segment_t): Initialise new fields.
Make non-inline.
(server_shmmgr::segment_t::~segment_t): New method.
(server_shmmgr::segment_t::is_deleted): Ditto.
(server_shmmgr::segment_t::is_pending_delete): Ditto.
(server_shmmgr::segment_t::mark_deleted): Ditto.
(server_shmmgr::segment_t::attach): Ditto.
(server_shmmgr::segment_t::detach): Ditto.
(server_shmmgr::segment_t::find): Ditto.
(class server_shmmgr::cleanup_t): New class.
(server_shmmgr::_shm_atts): New private field.
(server_shmmgr::shmat): Add a process object argument to replace
the removed process_cache, cygpid and winpid arguments. Remove
the process_cache manipulations. Move body of code to the
segment_t::attach method. Increment _shm_atts when required.
Update tracing statements.
(server_shmmgr::shmdt): Add a process object argument to replace
the removed cygpid argument. Move body of code to the
segment_t::detach method. Decrement _shm_atts when required.
Update tracing statements.
(server_shmmgr::shmget): Use the new segment_t::is_deleted method.
(server_shmmgr::server_shmmgr): Initialise the new _shm_atts
field.
(server_shmmgr::delete_segment): Remove the CloseHandle code, as
this is now done in the segment_t destructor.
(client_request_shm::serve): Look up the client's process object
and pass to the server_shmmgr::shmat and server_shmmgr::shmdt
methods rather than passing the cache, winpid and cygpid.
* cygserver_process.h: Add a cygpid to the process object to make
it more useful and then pass process objects rather than winpids
where possible.
(cleanup_routine::cleanup): Change argument to be a pointer to a
process object.
(class process): Re-order fields for no discernible reason.
(process::_cygpid): New field.
(process::process): Add a cygpid argument.
(process::winpid): New method.
(process::cygpid): Ditto.
(process::add): Make public, as it always should have been.
(process_cache::process): Add a cygpid argument.
* cygserver_process.cc (process::process): Add a cygpid argument
and use it to initialise the `_cygpid' field. Re-order
initialisers to match new field order.
(process::cleanup): Pass `this' rather than just the winpid to
cleanup_routine::cleanup.
(process_cache::process): Add a cygpid argument and pass it to the
process object constructor.
* include/sys/shm.h (shmatt_t): Make unsigned as per SUSv3.
(shm_info::shm_atts): New field.
2002-07-11 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (class server_shmmgr::segment_t): Add `_'
prefix to the names of all fields.
2002-07-10 Conrad Scott <conrad.scott@dsl.pipex.com>
* msg.cc: New file of stub functions, no functionality.
* sem.cc: Ditto.
* shm.cc (client_shmmgr::shmctl): Add support for an out shm_info
buffer for the SHM_INFO command.
(client_shmmgr::shmget): Use %X to print keys.
* include/sys/ipc.h: Comment all fields and values.
(IPC_PRIVATE): Change to be non-negative.
* include/sys/msg.h: New file with SUSv3 and ipcs(8) interfaces.
* include/sys/sem.h: Ditto.
* include/sys/shm.h: Comment all fields and values.
(struct shm_info): New struct.
* cygserver_shm.h (client_request_shm::shminfo): Rename.
(client_request_shm::shm_info): New method.
(client_request_shm::_parameters.out.hFileMap): Move into union.
(client_request_shm::_parameters.out.shminfo): Rename.
(client_request_shm::_parameters.out.shm_info): New field.
* cygserver_shm.cc (server_shmmgr::_shm_ids): Rename.
(server_shmmgr::_shm_tot): New field.
(server_shmmgr::shmctl): Rename `out_shminfo' argument. Add
`out_shm_info' argument. Fill in the `out_shm_info' argument in
the SHM_INFO command.
(server_shmmgr::shmget): Check `shmflg' against the mode of
existing segments as per Stevens 1990, p. 123.
(server_shmmgr::server_shmmgr): Initialise the new `_shm_tot'
field.
(server_shmmgr::new_segment): Set ENOMEM if CreateFileMapping
fails. Pass `size' to new_segment.
(server_shmmgr::new_segment): Add size argument and use it to
check against and update the new `_shm_tot' field.
(server_shmmgr::delete_segment): Update the new `_shm_tot' field.
* Makefile.in (DLL_OFILES): Add new DLL object files.
2002-07-09 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport_pipes.cc: The main change is to make the
client try harder to connect to the server if it's previously
connected, and so has good grounds for believing that the server
is running.
(MAX_WAIT_NAMED_PIPE_RETRY): Change to be an enumerator.
(WAIT_NAMED_PIPE_TIMEOUT): Ditto.
(transport_layer_pipes::accept): Use interlocked operators on
`pipe_instance'.
(transport_layer_pipes::close): Rearrange so that FlushFileBuffers
and DisconnectNamedPipe are only called for accepted endpoints.
Use interlocked operators on `pipe_instance'.
(transport_layer_pipes::read): Use set_errno where required.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::connect): Add local static variable
`assume_cygserver'. Set it if a connection is made to cygserver,
clear it if a connection is not made even after retrying. If set,
ignore all errors from CreateFile and retry the connection. Catch
the situation where WaitNamedPipe fails to wait [sic] and add a
`Sleep (0)' so that the server gets a chance to run.
2002-07-03 Conrad Scott <conrad.scott@dsl.pipex.com>
* dcrt0.cc: Only check for cygserver if and when required.
(dll_crt0_1): Remove call to `cygserver_init ()'.
* fhandler_tty.cc (fhandler_tty_slave::open): Change the cygserver
logic to allow for the fact that `cygserver_init ()' may not yet
have been called.
(fhandler_tty_slave::cygserver_attach_tty): Tweak the cygserver
request logic to conform to the practice elsewhere in the code.
* tty.cc (tty::common_init): Add an explicit call to
`cygserver_init ()' if it hasn't already been called.
* include/cygwin/cygserver.h (CYGSERVER_UNAVAIL): Rename from
`CYGSERVER_DEAD'.
(client_request_get_version::check_version): Make available in
cygserver as well the DLL.
(check_cygserver_available): Ditto. Remove `check_version_too'
argument.
(cygserver_init): Ditto. And likewise.
* cygserver_client.cc (client_request_get_version::check_version):
Make available in cygserver as well the DLL.
(client_request::make_request): This may now be called without
`cygserver_init ()' having been called first. Detect this and
call it as required. Add tracing.
(check_cygserver_available): Make available in cygserver as well
the DLL. Remove `check_version_too' argument and always check the
version information. And since this is called from within
`cygserver_init ()', force `cygserver_running' before calling
`client_request::make_request ()'.
(cygserver_init): Make available in cygserver as well the DLL.
Remove `check_version_too' argument.
2002-07-03 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc: Implement the ipcs(8) interfaces, IPC_INFO,
SHM_STAT and SHM_INFO.
(server_shmmgr::segment_t::sequence): New static field.
(server_shmmgr::segment_t::key): Remove field, use the new
ds.shm_perm.key field instead.
(server_shmmgr::segment_t::shmid): Remove field.
(server_shmmgr::segment_t::intid): New field.
(server_shmmgr::segment_t::segment_t): Use the `key' argument to
initialise `ds.shm_perm.key'. Change from using `shmid' to
`intid'.
(server_shmmgr::_shmseg_cnt): Renamed from `_shmid_cnt'.
(server_shmmgr::_intid_max): Renamed from `_shmid_max.
(server_shmmgr::shmat): Move the out arguments to the start of the
argument list. Rename the `pid' argument as `cygpid'. Add
tracing. Pass an intid to `find ()', not a shmid.
(server_shmmgr::shmctl): Add separate out arguments. Rename the
`pid' argument as `cygpid'. Add support for the ipcs(8)
interfaces. Add tracing. Pass an intid to `find ()', not a
shmid.
(server_shmmgr::shmdt): Rename the `pid' argument as `cygpid'.
Add tracing. Pass an intid to `find ()', not a shmid.
(server_shmmgr::shmget): Add a separate out arguments. Rename the
`pid' argument as `cygpid'. Add tracing.
(server_shmmgr::server_shmmgr): Update for new field names.
(server_shmmgr::find_by_key): Update for the new `ds.shm_perm.key'
field.
(server_shmmgr::find): Update to use the new `segment_t::intid'
field.
(server_shmmgr::new_segment): Rename the `pid' argument as
`cygpid'. Check that the requested size is within bounds. Handle
new error result from `new_segment (key, HANDLE)'.
(server_shmmgr::new_segment): Work with intids, not shmids. Check
that the new intid is within bounds. Update for new field names.
(server_shmmgr::delete_segment): Pass an intid to `find ()', not a
shmid. Update for new field names.
(client_request_shm::serve): Check that the incoming message
length is the size of the `_parameters.in' struct, not of the
whole in/out parameter union. Likewise, set the outgoing message
length to the size of the `_parameters.out' struct. Update for
the new server_shmmgr interfaces.
* include/sys/ipc.h (ipc_perm::key): New field.
* include/sys/shm.h (SHM_INFO): New constant.
* cygserver_ipc.h (IPCMNI): New constant.
(ipc_int2ext): Add `sequence' argument and munge this into the
external ipc id.
(ipc_ext2int_subsys): Unmunge the sequence number from the
external ipc id.
(ipc_ext2int): Ditto.
(ipc_inc_id): Remove.
(ipc_dec_id): Remove.
* cygserver_shm.h (SHMMAX): New constant.
(SHMMIN): Ditto.
(SHMMNI): Ditto.
(SHMSEG): Ditto.
(SHMALL): Ditto.
(client_request_shm::_parameters): Re-arrange as a union of two
separate structs, one for in arguments, the other for out.
(client_request_shm::shmid): Update for the new parameter layout.
(client_request_shm::ds): Ditto.
(client_request_shm::info): New method.
* shm.cc (client_shmmgr::_shmat_cnt): New static field.
(client_shmmgr::shmat): Add locking. Add tracing.
(client_shmmgr::shmctl): Update for ipcs(8) commands. Add
tracing. Add more argument checking.
(client_shmmgr::shmdt): Add locking. Add tracing. Update the new
`_shmat_cnt' field.
(client_shmmgr::shmget): Add tracing.
(client_shmmgr::fixup_shms_after_fork): Add tracing. Add
consistency checking.
(client_shmmgr::attach): Add more tracing.
(client_shmmgr::new_segment): Update the new `_shmat_cnt' field.
(client_request_shm::client_request_shm): Update for the new
parameter layout. Set the outgoing message length to the size of
the `_parameters.in' struct, not of the whole in/out parameter
union.
2002-07-02 Conrad Scott <conrad.scott@dsl.pipex.com>
* shm.cc: Remove the use of a static client_shmmgr object.
(client_shmmgr::_instance): New static variable.
(client_shmmgr::instance): Allocate a new shmmgr on the heap,
rather than using a local static object.
2002-07-01 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport.cc (create_server_transport): Fix
cut-and-paste error.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_client.cc (client_request::handle_request): Don't
bother with the client request activity marker when compiled with
debugging output.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport_pipes.cc
(MAX_WAIT_NAMED_PIPE_RETRY): New constant.
(WAIT_NAMED_PIPE_TIMEOUT): Ditto.
(transport_layer_pipes::close): The `pipe' field is now either
NULL or a valid handle, and it should never have the value
`INVALID_HANDLE_VALUE'.
(transport_layer_pipes::read): Ditto.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::connect): Ditto.
(transport_layer_pipes::impersonate_client): Ditto.
(transport_layer_pipes::connect): Ditto. New, but still bogus,
retry logic.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (server_shmmgr::server_shmmgr): All fields have
to be initialized now that the singleton is no longer static.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (server_shmmgr::_instance): New static field.
(server_shmmgr::_instance_once): Ditto.
(server_shmmgr::initialise_instance): New static method.
(server_shmmgr::instance): Use a pthread_once_t rather than
relying on a local static variable.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* woutsup.h: Remove all uses of the C++ new and delete operators
throughout cygserver until they are fully thread-safe.
(safe_new0): New macro to replace the C++ new operator.
(safe_new): Ditto.
(safe_delete): New macro to replace the C++ delete operator.
* cygserver_client.cc (client_request::handle_request): Replace
all uses of the C++ new and delete operators with the new macros
from "woutsup.h".
(client_request::make_request): Ditto.
* cygserver_process.cc (~process_cleanup): Ditto.
(process::cleanup): Ditto.
(process_cache::process): Ditto.
(process_cache::check_and_remove_process): Ditto.
* cygserver_shm.cc (server_shmmgr::new_segment): Ditto.
(server_shmmgr::delete_segment): Ditto.
* cygserver_transport.cc (create_server_transport): Ditto.
* cygserver_transport_pipes.cc
(transport_layer_pipes::accept): Ditto.
* cygserver_transport_sockets.cc
(transport_layer_sockets::accept): Ditto.
* threaded_queue.cc (~threaded_queue): Ditto.
(threaded_queue::worker_loop): Ditto.
(threaded_queue::stop): Replace sleep(3) with win32 Sleep.
* cygserver.cc (~server_request): Replace all uses of the C++ new
and delete operators with the new macros from "woutsup.h".
(server_submission_loop::request_loop): Ditto.
(main): Ditto. Replace sleep(3) with win32 Sleep. Replace
iostreams with FILEs.
(print_usage): Replace iostreams with FILEs.
(print_version): Ditto.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport_sockets.cc
(transport_layer_sockets::accept): Rename local variable
`accept_fd' to avoid shadowing the `fd' field.
2002-06-29 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygwin_ipc.h: Moved (back) to "include/sys/ipc.h".
* cygwin_shm.h: Moved (back) to "include/sys/shm.h".
* include/sys/ipc.h: New file.
* include/sys/shm.h: New file.
* cygserver_shm.h: Update for new header file locations.
* ipc.cc: Ditto.
2002-06-28 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_client.cc (client_request::make_request): Comment out
a verbose tracing statement.
* cygserver_process.cc (process_cache::sync_wait_array): Fix
broken assert.
* include/cygwin/cygserver.h (class client_request): Remove excess
use of `class' qualifier in declarations.
(class client_request_get_version): Ditto.
(class client_request_shutdown): Ditto.
(class client_request_attach_tty): Ditto.
2002-06-28 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_ipc.h: New file.
* cygserver_shm.h: Re-written from scratch.
* cygserver_shm.cc: Ditto.
* shm.cc: Ditto.
2002-06-28 Conrad Scott <conrad.scott@dsl.pipex.com>
* threaded_queue.h (class queue_request): Re-write.
(threaded_queue_thread_function): Remove.
(class queue_process_param): Remove.
(class threaded_queue): Re-write.
(class queue_submission_loop): New version of the old
`queue_process_param' class.
(TInterlockedExchangePointer): New templated function.
(TInterlockedCompareExchangePointer): Ditto.
* threaded_queue.cc (worker_function): Remove.
(class threaded_queue): Re-write.
(class queue_process_param): Remove.
(class queue_submission_loop): New version of the old
`queue_process_param' class.
* include/cygwin/cygserver_process.h (process_cleanup): Re-write.
(class process_process_param): Remove.
(class cleanup_routine): Re-write.
(class process): Re-write.
(class process_cache): Re-write.
* cygserver_process.cc (process_cleanup): Re-write.
(class process_process_param): Remove.
(class cleanup_routine): Re-write.
(class process): Re-write.
(class process_cache): Re-write.
* cygserver.cc (request_count): Remove unused variable.
(class server_request): Move methods inline.
(class server_process_param): Remove.
(class server_request_queue): Remove.
(request_queue): Move into `main ()' and change type to
`threaded_queue'.
(request_loop): Remove.
(class server_submission_loop): New version of the old
`server_process_param' class.
(shutdown_server): New variable.
(client_request_shutdown::serve): Set `shutdown_server' to trigger
shutdown.
(handle_signal): Ditto.
(main): Install signal handler for SIGINT rather than SIGQUIT.
Use new interfaces for the `request_queue' and the `cache'.
Create a `server_submission_loop' and add to the `request_queue'.
Add check for the `shutdown_server' variable to the main loop.
* cygserver_shm.cc (client_request_shm::serve): Release the
process object after use.
2002-06-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_client.cc (client_request::handle_request): Correct
tracing statement.
* cygserver_transport_pipes.cc: Remove local definition of
FILE_FLAG_FIRST_PIPE_INSTANCE constant.
* cygwin_ipc.h: Update copyright notice.
* cygwin_shm.h: Ditto.
* woutsup.h: Add definition of _WIN32_WINNT.
2002-06-24 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_client (client_request::make_request): Replace my
inappropriate use of set_errno () with error_code () throughout.
2002-06-24 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver.h: Add forward declarations of class
transport_layer_base and class process_cache to reduce
dependencies between header files.
* include/cygwin/cygserver_process.h: Add include of
"threaded_queue.h".
* cygserver.cc: Remove unnecessary cygserver header files.
* cygserver_client.cc: Ditto.
* cygserver_process.cc: Ditto.
* cygserver_shm.cc: Ditto.
* cygserver_shm.h: Ditto.
* cygserver_transport_pipes.cc: Ditto.
* dcrt0.cc: Ditto.
* fhandler_tty.cc: Ditto.
* tty.cc: Ditto.
2002-06-24 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.h: Replace <sys/shm.h> with "cygwin_shm.h" after
merge from HEAD.
* cygwin_ipc.h: Update with changes to include/sys/ipc.h lost in
merge from HEAD.
* cygwin_shm.h: Ditto.
2002-06-21 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc: The tests for a duplicate server instance are now
the responsibility of the transport layer.
(request_loop): Use new `recoverable' flag in call to
`cygserver_transport::accept ()' and shutdown on an unrecoverable
error.
(main): Never call `cygserver_init ()'. Fake `cygserver_running'
just for sending a shutdown request.
* cygserver_client.cc (client_request::send): Comment out
message-size tracing statements as verbose.
(client_request::handle): Ditto.
(client_request_get_version::check_version): #ifdef as DLL-only.
(check_cygserver_available): Ditto.
(cygserver_init): Ditto.
* include/cygwin/cygserver.h
(client_request_get_version::check_version): #ifdef as DLL-only.
(check_cygserver_available): Ditto.
(cygserver_init): Ditto.
* include/cygwin/cygserver_transport.h
(transport_layer_base::impersonate_client): #ifdef as
cygserver-only.
(transport_layer_base::revert_to_self): Ditto.
(transport_layer_base::listen): Ditto.
(transport_layer_base::accept): Ditto. Add a `recoverable' out
flag for error handling.
* include/cygwin/cygserver_transport_sockets.h: Ditto.
* include/cygwin/cygserver_transport_pipes.h: Ditto.
(transport_layer_pipes): Change type of the `pipe_name' field.
Remove the `inited' field, as unnecessary. Add new
`is_accepted_endpoint' field.
* include/cygwin/cygserver_transport.cc
(transport_layer_base::impersonate_client): #ifdef as
cygserver-only.
(transport_layer_base::revert_to_self): Ditto.
* include/cygwin/cygserver_transport_sockets.cc
(transport_layer_sockets::listen): #ifdef as cygserver-only.
(transport_layer_sockets::accept): #ifdef as cygserver-only.
Analyse any errno from `accept ()' and set `recoverable' as
appropriate.
* cygserver_transport_pipes.cc: Add local #define of
`FILE_FLAG_FIRST_PIPE_INSTANCE'.
(pipe_instance_lock_once): New variable.
(pipe_instance_lock): Ditto.
(pipe_instance): Ditto.
(initialise_pipe_instance_lock): New function.
(transport_layer_pipes::transport_layer_pipes): Change
initialization of `pipe_name'. Initialize `is_accepted_endpoint'
as appropriate. Remove use of `inited'.
(transport_layer_pipes::impersonate_client): #ifdef as
cygserver-only.
(transport_layer_pipes::revert_to_self): Ditto.
(transport_layer_pipes::listen): Ditto.
(transport_layer_pipes::accept): Ditto. Keep track of how often
many named pipes have been created, in the `pipe_instance'
variable, and pass the `FILE_FLAG_FIRST_PIPE_INSTANCE' flag on the
open of the first instance. Analyse the error code from
`CreateNamedPipe ()' and set the `recoverable' flag as
appropriate.
(transport_layer_pipes::close): Update the `pipe_instance' count.
2002-06-18 Conrad Scott <conrad.scott@dsl.pipex.com>
* woutsup.h (cygserver_running): Add declaration.
(api_fatal): Eliminate.
* include/cygwin/cygserver.h
(client_request_get_version::check_version): Change return type to
bool.
(check_cygserver_available): New function.
(cygserver_init): Add check_version_too argument.
* cygserver_client.cc (allow_daemon): Make a bool.
(client_request_get_version::make_request): See errno on error.
Remove special case for CYGSERVER_REQUEST_GET_VERSION; this is now
handled in cygserver_init().
(client_request_get_version::check_version): Use syscall_printf()
instead of api_fatal(). Return true if cygserver version is
compatible.
(check_cygserver_available): New function; code moved here from
cygserver_init().
(cygserver_init): Move some code into check_cygserver_available().
* cygserver.cc (__set_errno): Copy from debug.cc so that
set_errno() can be used when __OUTSIDE_CYGWIN__.
(main): Call cygserver_init() to set up cygserver_running and add
checks against this to (try and) prevent multiple copies of
cygserver running simultaneously. Remember to delete all
transport connections so that (one day) the transport classes can
tidy up on cygserver shutdown.
2002-06-17 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (main): Adjust tracing output for a cleaner display
when compiled without --enable-debugging.
* threaded_queue.cc (threaded_queue::cleanup): Ditto.
(queue_process_param::stop): Ditto.
* include/cygwin/cygserver.h
(client_request::make_request): Make non-virtual.
(client_request::send): Make virtual and protected, not private.
(client_request_attach_tty::send): New virtual method.
* cygserver_client.cc: Use the `msglen()' accessor rather than
`_header.msglen' throughout.
(client_request_attach_tty::send): New method.
(client_request::make_request): Remove the explicit close of
`transport' as it is closed on deletion.
2002-06-17 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver.h: Change the client_request classes to
give greater encapsulation and to allow variable length requests
and replies.
(enum cygserver_request_code): Now client_request::request_code_t.
(class request_header): Now client_request::header_t. Make a
union of the request_code and the error_code. The `cb' field,
which was the buffer length, is now the `size_t msglen' field.
(struct request_get_version): Now
client_request_get_version::request_get_version.
(struct request_shutdown): Remove unused type.
(struct request_attach_tty): Now
client_request_attach_tty::request_attach_tty.
(client_request::_buf): Make field const.
(client_request::_buflen): New const private field.
(client_request::request_code): New accessor.
(client_request::error_code): Ditto.
(client_request::msglen): Ditto.
(client_request::handle_request): New static method.
(client_request::make_request): New virtual method.
(client_request::handle): New method.
(client_request::send): Make private.
(client_request_get_version::check_version): New method.
(client_request_get_version::serve): Make private.
(client_request_get_version::version): Ditto.
(client_request_shutdown::serve): Ditto.
(client_request_attach_tty::req): Ditto.
(client_request_attach_tty::serve): Ditto.
(client_request_attach_tty::from_master): Make method const.
(client_request_attach_tty::from_master): Ditto.
* cygserver_client.cc
(client_request_get_version::client_request_get_version): Track
changes to the client_request classes.
(client_request_attach_tty::client_request_attach_tty): Ditto.
(client_request_get_version::check_version): New method to
encapsulate code from cygserver_init().
(client_request_shutdown::client_request_shutdown): Move into
"cygserver.cc".
(client_request::send): Track changes to the client_request
classes. Add more error checking.
(client_request::handle_request): New static method containing the
first half of the old server_request::process() code.
(client_request::make_request): New method to replace the old
cygserver_request() function.
(client_request::handle): New method containing the second half of
the old server_request::process() code.
(cygserver_init): Track changes to the client_request classes. In
particular, some code moved into the
client_request_get_version::check_version() method.
* cygserver.cc (client_request_attach_tty::serve): Track changes
to the client_request classes. In particular, only return a reply
body if some handles are successfully duplicated for the client.
And remove goto's.
(client_request_get_version::serve): Track changes to the
client_request classes.
(client_request_shutdown::serve): Ditto.
(class client_request_invalid): Dead, and so young too.
(server_request::request_buffer): Remove unnecessary field.
(client_request_shutdown::client_request_shutdown): Moved here
from "cygserver_client.cc".
(server_request::process): Implementation moved into the new
client_request::handle_request() and client_request::handle()
methods.
* cygserver_shm.h (class client_request_shm): Put client- and
server-specific interfaces inside #ifdef/#ifndef __INSIDE_CYGWIN__
guards.
(client_request_shm::serve): Make private.
* cygserver_shm.cc
(client_request_shm::client_request_shm): Track changes to the
client_request classes.
(client_request_shm::serve): Ditto
* shm.cc (client_request_shm::client_request_shm): Ditto. Use
alloc_sd() rather than set_security_attribute() to get access to
the SECURITY_DESCRIPTOR length, so that we can use it to set the
request body length.
(shmat): Track changes to the client_request classes. In
particular, allocate client_request objects on the stack rather
than on the heap, and use the client_request::make_request()
method rather than the old cygserver_request() function.
(shmdt): Ditto.
(shmctl): Ditto.
(shmget): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::cygserver_attach_tty): Ditto.
2002-06-17 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver_transport.h
(cygserver_transport::read): Change buffer type to void *.
(cygserver_transport::write): Ditto.
* include/cygwin/cygserver_transport_sockets.h
(cygserver_transport_sockets::read): Ditto.
(cygserver_transport_sockets::write): Ditto.
* include/cygwin/cygserver_transport_pipes.h
(cygserver_transport_pipes::read): Ditto.
(cygserver_transport_pipes::write): Ditto.
* cygserver_transport_sockets.cc
(cygserver_transport_sockets::read): Ditto.
(cygserver_transport_sockets::write): Ditto.
* cygserver_transport_pipes.cc
(cygserver_transport_pipes::read): Ditto. Set errno on error, to
match behaviour of cygserver_transport_sockets class.
(cygserver_transport_pipes::write): Ditto.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (version): New static variable.
(server_request_queue::add_connection): Remove my gratuitous use
of studly caps.
(setup_privileges): Declare static.
(handle_signal): Ditto.
(longopts): Make a local variable of main().
(opts): Ditto.
(print_usage): New function.
(print_version): Ditto (tip of the hat to Joshua Daniel Franklin
for inspiration here).
(main): More argument checking. Add --help and --version options.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver.h (client_request::serve): Make pure
virtual.
* cygserver.cc (client_request::serve): Remove definition of pure
virtual method.
(class client_request_invalid): New class.
(server_request::process): Use new client_request_invalid
class. And remove goto's.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (class server_request): Add virtual destructor.
(server_request_queue::addConnection): New method to replace bad
virtual add() method.
(request_loop): Replace call to queue->add() with call to
queue->addConnection().
(server_request::server_request): Use field initialization.
(server_request::~server_request): New virtual destructor.
(server_request::process): Remove close and delete of
transport_layer_base object. It is deleted by the server_request's
own destructor and closed by its own destructor.
* include/cygwin/cygserver.h
(client_request::operator request_header): Remove unused method.
* cygserver_client.cc: Ditto.
* include/cygwin/cygserver_process.h
(class cleanup_routine): Add virtual destructor.
(cleanup_routine::cleanup): Make pure virtual.
(class process_cache): Make destructor non-virtual.
(process_cache::add): Ditto.
* cygserver_process.cc
(cleanup_routine::~cleanup_routine): New virtual destructor.
* include/cygwin/cygserver_transport.h
(class transport_layer_base): Add virtual destructor.
* cygserver_transport.cc
(transport_layer_base::~transport_layer_base): New virtual
destructor.
* include/cygwin/cygserver_transport_pipes.h
(class transport_layer_pipes): Add virtual destructor.
* cygserver_transport_pipes.cc
(transport_layer_pipes::~transport_layer_pipes): New virtual
destructor.
(transport_layer_pipes::close): Null out handle after closing.
* include/cygwin/cygserver_transport_sockets.h
(class transport_layer_sockets): Add virtual destructor.
* cygserver_transport_sockets.cc
(transport_layer_sockets::~transport_layer_sockets): New virtual
destructor.
(transport_layer_sockets::close): Null out fd after closing.
* threaded_queue.h (class queue_request): Add virtual destructor.
(queue_request::process): Make pure virtual.
* threaded_queue.cc (~queue_request): New virtual destructor.
(queue_request::process): Remove definition of pure virtual
method.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver.h (client_request::send): Make
non-virtual.
(class client_request_attach_tty): Put client- and server-specific
interfaces inside #ifdef/#ifndef __INSIDE_CYGWIN__ guards.
* cygserver_client.cc: Ditto.
(cygserver_init): Fix error handling.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc: Throughout the code, check and correct level of
the XXX_printf() functions used. Comment out several of the
debug_printf() calls with "// verbose:". Reformat and correct
typos of some of the XXX_printf() formats.
* cygserver_process.cc: Ditto.
* cygserver_shm.cc: Ditto.
* cygserver_transport_pipes.cc: Ditto.
* cygserver_transport_sockets.cc: Ditto.
* shm.cc (hi_ulong): New function to allow printing of a 64-bit
key with current small_printf implementation.
(lo_ulong): Ditto.
(client_request_shm::client_request_shm): Use hi_ulong() and
lo_ulong() in call to debug_printf().
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc: Remove #define __INSIDE_CYGWIN__ from around
<sys/shm.h> as it no longer contains any internal code.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/sys/ipc.h (IPC_PRIVATE): Add cast to key_t.
(IPC_INFO): New flag for ipcs(8).
(IPC_RMID IPC_SET IPC_STAT): Renumber.
* include/sys/shm.h (SHM_RDONLY SHM_RND): Renumber with distinct
values [sic].
(class _shmattach): Internal type moved to "cygserver_shm.h".
(class shmnode): Ditto.
(class shmid_ds): Ditto.
(struct shmid_ds): Add spare fields.
(struct shminfo): New type for IPC_INFO interface.
* cygserver_shm.h: Remove obsolete #if 0 ... #endif block.
(class shm_cleanup): Remove unused class.
(struct _shmattach): Internal type moved from <sys/shm.h>.
(struct shmnode): Ditto.
(struct int_shmid_ds): Ditto. Renamed to avoid name clash with
public interface struct shmid_ds. Use the shmid_bs structure as a
field.
* cygserver_shm.cc: Remove obsolete #if 0 ... #endif block.
(client_request_shm::serve): Update for redefinition of
int_shmid_ds structure.
* shm.cc (build_inprocess_shmds): Ditto.
(fixup_shms_after_fork): Ditto.
(shmctl): Ditto.
(shmget): Ditto. Remove obsolete #if 0 ... #endif code.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver_transport.h
(transport_layer_base::transport_layer_base): Remove since it is
now redundant.
(transport_layer_base::listen): Make a pure virtual method.
(transport_layer_base::accept): Ditto.
(transport_layer_base::close): Ditto.
(transport_layer_base::read): Ditto.
(transport_layer_base::write): Ditto.
(transport_layer_base::connect): Ditto.
* cygserver_transport.cc
(transport_layer_base::transport_layer_base): Remove since it is
now redundant.
(transport_layer_base::listen): Remove since it is now a pure
virtual method.
(transport_layer_base::accept): Ditto.
(transport_layer_base::close): Ditto.
(transport_layer_base::read): Ditto.
(transport_layer_base::write): Ditto.
(transport_layer_base::connect): Ditto.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (check_and_dup_handle): Only use security code if
running on NT, i.e. if wincap.has_security().
(client_request_attach_tty::serve): Add check for has_security().
* cygserver_process.cc (process_cache::process): Use DWORD winpid
throughout to avoid win32 vs. cygwin pid confusion.
(process::process): Ditto.
* cygserver_shm.cc (client_request_shm::serve): Only use security
code if running on NT, i.e. if wincap.has_security().
* cygserver_shm.h (client_request_shm::parameters.in): Replace the
ambiguous pid field with cygpid and winpid fields.
(client_request_shm::client_request_shm): Reduce to only two
client-side constructors: one for SHM_CREATE, another for all the
other requests.
* shm.cc (client_request_shm::client_request_shm):
Ditto. Initialize cygpid and winpid fields here. On NT initialize
sd_buf here using set_security_attribute() to make use of the euid
and egid.
(shmat): Use new client_request_shm constructor.
(shmdt): Ditto.
(shmctl): Ditto.
(shmget): Ditto. Remove security code, now performed in the
relevant client_request_shm constructor.
* include/cygwin/cygserver_process.h: (class cleanup_routine):
Change winpid type to DWORD.
(class process): Ditto.
2002-06-15 Conrad Scott <conrad.scott@dsl.pipex.com>
* woutsup.h: New file.
* cygserver.cc: Use "woutsup.h" and new XXX_printf macros.
(getfunc): New function, copied verbatim from "strace.cc".
(__cygserver__printf): New function.
* cygserver_client.cc: Use "woutsup.h" and new XXX_printf macros.
* cygserver_process.cc: Ditto.
* cygserver_shm.cc: Ditto.
* cygserver_transport.cc: Ditto.
* cygserver_transport_pipes.cc: Ditto.
* cygserver_transport_sockets.cc: Ditto.
* threaded_queue.cc: Ditto.
* shm.cc: Remove trailing \n from XXX_printf format strings.
* Makefile.in: Remove special __OUTSIDE_CYGWIN__ case for
cygserver_shm.cc.
iov_len.
(check_iovec_for_write): Ditto.
* fhandler.h (fhandler_base::readv): New method.
(fhandler_base::writev): Ditto.
* fhandler.cc (fhandler_base::readv): New method.
(fhandler_base::writev): Ditto.
* syscalls.cc (_read): Delegate to readv(2).
(_write): Ditto, mutatis mutandi.
(readv): Rewrite, based on the old _read code, to use the new
fhandler_base::readv method. Improve access mode handling and ensure all calls
reach the final strace statement.
(writev): Ditto, mutatis mutandi.
* include/sys/uio.h (struct iovec): Change field types to match SUSv3.
* winsup.h (check_iovec_for_read): New function.
(check_iovec_for_write): Ditto.
* miscfuncs.cc (check_iovec_for_read): Ditto.
(check_iovec_for_write): Ditto.
not understood by WinSock.
(fhandler_socket::sendto): Ditto. If WinSock sendto() returns
WSAESHUTDOWN, change errno to EPIPE and raise SIGPIPE if MSG_NOSIGNAL
isn't set in flags.
* include/cygwin/socket.h: Define MSG_WINMASK and MSG_NOSIGNAL.
* include/cygwin/version.h: Bump API minor number.
(vfork_save::restore_pid): New method.
(vfork_save::restore_exit): New method.
* fork.cc (vfork): Save ctty, sid, pgid and restore them when returning to
"parent". Use exitval field if exiting but never created a new process.
* syscalls.cc (setsid): Detect when in "vfork" and force an actual fork so that
pid will be allocated (UGLY!).
(getsid): New function.
* dcrt0.cc (do_exit): Use vfork_save::restore_exit method for returning from a
vfork.
* spawn.cc (spawnve): Use vfork_save::{restore_pid,restore_exit} methods for
returning from vfork.
* cygwin.din: Export getsid.
* include/cygwin/version.h: Bump api minor number.
* malloc.cc: #ifdef sYSTRIm for when MORECORE_CANNOT_TRIM is true.
* include/cygwin/version.h: Bump API minor version.
* cygheap.h (class cygheap_user): Add member groups.
* security.h (class cygsidlist): Add members type and maxcount,
methods position, addfromgr, alloc_sids and free_sids and
operator+= (const PSID psid). Modify contains () to call
position () and optimize add () to use maxcount.
(class user_groups): Create.
Update declarations of verify_token and create_token.
* security.cc (cygsidlist::alloc_sids): New.
(cygsidlist::free_sids): New.
(get_token_group_sidlist): Create from get_group_sidlist.
(get_initgroups_sidlist): Create from get_group_sidlist.
(get_group_sidlist): Suppress.
(get_setgroups_sidlist): Create.
(verify_token): Modify arguments. Add setgroups case.
(create_token): Modify arguments. Call get_initgroups_sidlist and
get_setgroups_sidlist as needed. Set SE_GROUP_LOGON_ID from auth_pos
outside of the loop. Rename the various group sid lists consistently.
* syscalls.cc (seteuid32): Modify to use cygheap->user.groups.
(setegid32): Call cygheap->user.groups.update_pgrp.
* grp.cc (setgroups): Create.
(setgroups32): Create.
* uinfo.cc (internal_getlogin): Initialize and update user.groups.pgsid.
* cygwin.din: Add setgroups and setgroups32.
the class - rts,dtr and method ioctl(). Variables rts and dtr
important for Win 9x only.
* fhandler_serial.cc (fhandler_serial::open): Add initial setting
of dtr and rts. Important for Win 9x only.
(fhandler_serial::ioctl): New function. Implements commands TIOCMGET,
TIOCMSET and TIOCINQ.
(fhandler_serial::tcflush): Fixed found error.
(fhandler_serial::tcsetattr): Add settings of rts and dtr. Important
for Win 9x only.
* termios.h: Add new defines as a support for ioctl() function
on serial device.
* path.h (path_conv::[]): New operator.
* syscalls.cc (_link): Use path_conv operators rather than methods, where
appropriate. Minor white space cleanup.
* include/cygwin/version.h: Bump DLL minor number.
* dcrt0.cc (sm): Make NO_COPY.
* cygwin.din: Add _pthread_cleanup_push and _pthread_cleanup_pop.
* pthread.cc: Change __pthread_self to pthread::self() thruoghout.
(_pthread_cleanup_push): New function.
(_pthread_cleanup_pop): Ditto.
* thread.cc: Thanks to Thomas Pfaff for the pthread cleanup_push,_pop
patch, this work is derived from that.
Change __pthread_self to pthread::self() thruoghout.
(__pthread_self): Rename to pthread::self.
(pthread::self): New method.
(pthread::pthread): Initialize new member.
(pthread::push_cleanup_handler): New method.
(pthread::pop_cleanup_handler): New method.
(pthread::pop_all_cleanup_handlers): New method.
(__pthread_exit): Pop all cleanup handlers.
* thread.h (pthread::push_cleanup_handler): Declare.
(pthread::pop_cleanup_handler): Ditto.
(pthread::pop_all_cleanup_handlers): Ditto.
(pthread::self): New static method.
(__pthread_exit): Give C++ linkage.
(__pthread_join): Ditto.
(__pthread_detach): Ditto.
(__pthread_self): Remove.
2002-04-24 Thomas Pfaff <tpfaff@gmx.net>
* include/pthread.h (__pthread_cleanup_handler): New structure
(pthread_cleanup_push): Rewritten .
(pthread_cleanup_pop): Ditto.
(_pthread_cleanup_push): New prototype.
(_pthread_cleanup_pop) Ditto.
2002-04-24 Thomas Pfaff <tpfaff@gmx.net>
* thread.cc (thread_init_wrapper): Check if thread is already joined.
(__pthread_join): Set joiner first.
(__pthread_detach): Ditto.
st_atim, st_mtim, and st_ctim fields.
* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): Ditto.
* fhandler_process.cc (fhandler_process::fstat): Ditto.
* glob.c (stat32_to_STAT): Copy across the whole st_atim,
st_mtime, and st_ctim fields.
* syscalls.cc (stat64_to_stat32): Ditto.
* times.cc (to_timestruc_t): New function.
(time_as_timestruc_t): New function.
* winsup.h: Add to_timestruc_t and time_as_timestruc_t functions.
* include/cygwin/stat.h: Replace time_t with timestruc_t
throughout for all file times, removing the st_spare1, st_spare2,
and st_spare3 fields in the process. Add macros to access tv_sec
fields by old names.
* include/cygwin/types.h: Typedef timespec_t and timestruc_t as
struct timespec.
(fstat64): Add evaluating st_ino and st_dev.
(stat_worker): Evaluate st_dev as 32 bit value.
* include/cygwin/stat.h: Use new dev_t definition throughout.
* include/cygwin/types.h: Define __dev16_t and __dev32_t. Define
dev_t according to __CYGWIN_USE_BIG_TYPES__ setting.
* include/sys/sysmacros.h: Define major, minor and makedev
according to __CYGWIN_USE_BIG_TYPES__ setting.
* include/sys/cygwin.h (external_pinfo): Define
EXTERNAL_PINFO_VERSION_16_BIT and EXTERNAL_PINFO_VERSION_32_BIT
instead of just EXTERNAL_PINFO_VERSION.
equivalent to not_executable.
* sys/mount.h: Define MOUNT_NOTEXEC.
* path.h (fs_info): New class.
(path_conv): Move fs-specific fields to new 'fs' structure.
(path_conv::update_fs_info): Move to fs_info and rename to just 'update'.
* path.cc (fs_info::update): Ditto. Return 'true' if successful.
(fillout_mntent): Add ',noexec' to list of reported options.
(g_lstat): Call user space functions always with 32 bit struct stat
as a workaround.
(g_stat): Ditto.
* include/glob.h (struct glob): Don't prototype function pointers
when compiling Cygwin.
* cygserver_transport_pipes.cc (transport_layer_pipes::transport_layer_pipes):
Always init - until static members work correctly.
* shm.cc (shmget): Initialize the security descriptor - thanks Corinna!
* include/sys/ipc.h: Make the ipc control constants partitioned off from the sem
control constants.
* Merged cygwin_daemon into head minus the new shm and ipc exports.
2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* fhandler_tty.cc (fhandler_tty_slave::open): More debugging.
(fhandler_tty_slave::read): Fix printf type for the handle.
* tty.cc (tty::common_init): Add a FIXME for security.
2002-01-29 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in (OBJS): Remove duplicate localtime.o.
2002-01-17 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (check_and_dup_handle): Consolidate the two variants for
simplicity.
Add Some basic debug output.
(client_request_attach_tty::serve): Use the new debug_printf for clarity.
Mark the duplicated handles as inheritable - fixup_after_fork() doesn't reopen
tty's.
2002-01-16 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (transport): Correct scope.
(client_request_attach_tty::serve): Add more debug information.
Fix erroneous use of transport instead of conn.
* cygserver_transport_pipes.cc (transport_layer_pipes::close): More debug.
(transport_layer_pipes::read): Ditto.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::impersonate_client): Ditto.
Mon Oct 8 7:41:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (server_request::process): Rename client_request_shm_get to
client_request_shm.
* cygserver_process.cc (process_cache::add): Rename to add_task.
Use process_cleanup instead of process_request.
(process_cache::remove_process): New method.
(process::process): Initialize new members.
(process::~process): New member.
(process::cleanup): New method.
(process::add_cleanup_routine): New method.
(process_request::process): Rename to process_cleanup.
Call the process object's cleanup method and then delete it.
(process_process_param::request_loop): Remove the signalling process.
* cygserver_shm.cc: Globally rename client_request_shm_get to client_request_shm.
(client_request_shm_get::serve): Handle attach request counting.
* cygserver_shm.h: Globally rename client_request_shm_get to client_request_shm.
(class shm_cleanup): New class.
* shm.cc: Globally rename client_request_shm_get to client_request_shm.
(client_request_shm::client_request_shm): New constructor for attach requests.
(shmat): Use it.
* include/cygwin/cygserver_process.h (class process_request): Rename to
process_cleanup.
(class cleanup_routine): New class.
(class process): New members and methods to allow calling back when the process
terminates.
Thu Oct 4 14:12:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (request_loop): Make static.
(main): Use new cache constructor syntax.
Start cache worker threads.
Cleanup the cache at shutdown.
* cygserver_process.cc: Run indent.
(process_cache::process_cache): Add a trigger to use when adding a process.
(process_cache::process): Move process_entry to process.
Insert at the end of the list.
Trigger the request loop when new process's inserted.
(process_cache::process_requests): Do it.
(process_cache::add): New method.
(process_cache::handle_snapshot): New method.
(process::process): Merge in the process_entry fields.
(process::handle): Make a stub function.
(process::exit_code): New method.
(process_request::process): New method.
(process_process_param::request_loop): New method.
* cygserver_shm.cc: New header dependency - threaded_queue.h.
* threaded_queue.cc (threaded_queue::cleanup): Clearer messages.
(queue_process_param::stop): Short spinlock on interruptible threads.
* threaded_queue.h (class threaded_queue): New constructor.
* include/cygwin/cygserver_process.h (process_request): New class.
(process_entry): Remove.
(process): Merge in process_entry.
(process_cache): Inherit from threaded_queue.
Tue Oct 2 23:24:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (class server_process_param): Use new constructor syntax.
* cygserver_process.cc (process_cache::~process_cache): New function.
* threaded_queue.cc: Define condition debug_printf.
Run indent.
(threaded_queue::cleanup): Move queue_process_param guts to a method.
(threaded_queue::process_requests): Ditto.
(queue_process_param::queue_process_param): New method.
(queue_process_param::~queue_process_param): Ditto.
(queue_process_param::start): Ditto.
(queue_process_param::stop): Ditto.
* threaded_queue.h (class queue_process_param): Add support for
interruptible request loops.
* cygwin/include/cygwin/cygserver_process.h (class process_cache): Add
destructor.
Tue Oct 2 23:24:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver_client.cc: New flag allow_daemon to disable the daemon completely.
(cygserver_request): Check it.
(cygserver_init): Ditto.
* environ.cc (parse_thing): Add (no)daemon option.
Tue Oct 2 23:00:00 2001 Robert Collins <rbtcollins@hotmail.com>
* shm.cc: Update to handle include changes from HEAD.
Tue Oct 2 16:06:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Remove cygserver_shm.o from cygwin1.dll.
Rename cygserver_shm_outside.o to cygserver_shm.o.
* cygserver.cc (server_request::process): Use the new client_request
constructor.
* cygserver_client.cc: Remove the #ifdef's stubs for the server method
within cygwin.
(client_request_attach_tty::client_request_attach_tty): Use the new
client_request constructor.
(client_request_shutdown::client_request_shutdown): Ditto.
(client_request::client_request): Ditto.
* cygserver_shm.cc (client_request_shm_get::serve): Remove the
#ifdef'd stub for in-cygwin builds.
(client_request_shm_get::client_request_shm_get): Use the new
client_request constructor, and remove the in-cygwin variants.
* cygserver_shm.h (class client_request_shm_get): #ifndef test the
serve method - it's only used in cygserver.
* shm.cc (client_request_shm_get::client_request_shm_get): New function.
* include/cygwin/cygserver.h (request_header): New constructor.
(class client_request): Use it.
New constructor accepting the header size.
#ifndef test the server method - it's only used within cygserver.
(client_request_get_version): #ifdef test the server method.
(client_request_shutdown): Ditto.
(client_request_attach_tty): Ditto.
Tue Oct 2 9:57:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: add threaded_queue.o to cygserver.exe.
* cygserver.cc: Include threaded_queue.h
(class server_request): Inherit from queue_request.
(class server_process_param): Inherit from queue_process_param.
(class server_request_queue): Inherit from threaded_queue.
(request_loop): Adjust for new types.
(server_request_queue::process_requests): Remove guts to
threaded_queue::process_requests.
(server_request::server_request): Adjust for new types.
(worker_function): Delete.
(server_request_queue::create_workers): Delete.
(server_request_queue::cleanup): Delete.
(server_request_queue::add): Move guts to threaded_queue::add.
* threaded_queue.cc: New file.
* threaded_queue.h: New file.
Mon Oct 1 12:38:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (client_request::serve): New function.
* cygserver_process.cc: Inlude <pthread.h> for pthread_once.
(process_cache::process_cache): Initialise a crtiical section for write access.
(process_cache::process): Use the critical section. Also add missing entries to
the cache.
(do_process_init): New function to initalise class process static variables.
(process::process): Ensure that the process access critical section is
initialised.
(process::handle): Close the handle of old process's when they have terminated
and we are returning the handle for a process with the same pid.
* cygserver_shm.cc: Run indent.
Include cygserver_process.h to allow process cache functionality.
(client_request_shm_get::serve): New parameter for process cache support.
Use the process cache, not OpenProcess to get a handle to the originating process.
Fix a handle leak with token_handle.
* cygserver_shm.h (class client_request_shm_get): Update ::serve for process
cache support.
* cygserver_transport_pipes.cc: Redefine debug_printf to be conditional on DEBUG.
* include/cygwin/cygserver.h: Do not implement client_request::serve in the
header.
* include/cygwin/cygserver_process.h (class process_cache): Add a write access
critical section to prevent races when requests from a multithreaded
application arrive.
Sun Sep 30 23:41:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Add cygserver_process.o to cygserver.exe.
* cygserver.cc: Include signal.h and cygwin_version.h.
Define debug_printf as a macro.
Define DEBUG to a value.
(client_request_attach_tty::serve): Add beginning of process cache support.
Change from #ifdef DEBUG to work with new DEBUG style.
(client_request_get_version::serve): Add beginning of process cache support.
(class server_request): New prototype for support of process cache.
(class queue_process_param): New class to allow request loop threading.
(class server_request_queue): Add beginning of process cache support.
Allow request loop threading.
(request_loop): Thread function for request loops.
(server_request_queue::process_requests): Initiator for threaded request loops.
(client_request_shutdown::serve): Add beginning of process cache support.
(server_request::server_request): Ditto.
(server_request::process): Use debug_printf. Add beginning of process cache
support.
(server_request_queue::cleanup): Kill off any request loop threads.
(server_request_queue::add): Add beginning of process cache support.
(handle_signal): Trigger a shutdown.
(main): Print out some useful info at startup - version, date time.
Add process cache support.
Spawn a separate thread for the transport request loop, thus allowing concurrent
support for multiple transports.
* cygserver_client.cc (client_request_get_version::serve): Add process cache
support.
(client_request_attach_tty::serve): Add process cache support.
(client_request_shutdown::serve): Add process cache support.
* cygsserver_process.cc: New file with the process cache support.
* cygserver_shm.cc: Redefine debug_printf to allow conditional output.
* cygwin.din: Export shmdt().
* shm.cc: Run indent.
Update FIXME's.
(shmdt): New function.
* include/cygwin/cygserver.h (class client_request): Add process cache support.
(class client_request_get_version): Ditto.
(class client_request_shutdown): Ditto.
(class client_request_attach_tty): Ditto.
* include/cygwin/cygserver_process.h: New header for process cache support.
Sun Sep 30 8:52:00 2001 Robert Collins <rbtcollins@hotmail.com>
* include/cygwin/cygserver_transport.h: Add copyright header.
* include/cygwin/cygserver_transport_pipes.h: Ditto.
* include/cygwin/cygserver_transport_sockets.h: Ditto.
Sat Sep 29 20:40:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Add cygserver_transport_sockets.o to DLL_OFILES.
Add cygserver_transport_sockets_outside.o to cygserver.exe.
* cygserver.cc: Include new include files.
* cygserver_client.cc: Ditto.
* cygserver_shm.h: No need to include <sys/socket.h> now.
* cygerver_transport.cc: Include new include files.
(transport_layer_base::transport_layer_base): Strip back to a stub.
(transport_layer_base::listen): Ditto.
(transport_layer_base::accept): Ditto.
(transport_layer_base::close): Ditto.
(transport_layer_base::read): Ditto.
(transport_layer_base::write): Ditto.
(transport_layer_base::connect): Ditto.
* cygserver_transport_pipes.cc: Include new header
"cygwin/cygserver_transport_pipes.h".
* cygserver_transport_sockets.cc: New file.
* dcrt0.cc: No need to include <sys/socket.h> now.
* fhandler_tty.cc: Ditto.
* tty.cc: Ditto.
* include/cygwin/cygserver_transport.h: Strip the base class to a stub.
Remove the cygserver_transport_pipes class.
* include/cygwin/cygserver_transport_pipes.h: New file.
* include/cygwin/cygserver_transport_sockets.h: New file.
Tue Sep 25 16:22:00 2001 Robert Collins <rbtcollins@hotmail.com>
* autoload.cc: Add dynamic load statement for 'ImpersonateNamedPipeClient'.
* Makefile.in: Add new object files, and build instructions for cygserver.exe.
* cygwin.din: Export ftok, shmat, shmctl and shmget.
* dcrt0.cc: Additional includes for cygserver support.
(dll_crt0_1): Initialise the cygserver client.
* fhandler.h (fhandler_tty): New method cygserver_attach_tty.
* fhandler_tty.cc: Additional includes for cygserver support.
(fhandler_tty_slave::open): Attempt to use the cygserver when obtaining
handles from the parent process. On failure or 9x use the current method.
(fhandler_tty_slave::cygserver_attach_tty): New function.
* fork.cc (fork_child): Fixup shm memory mapped areas.
* pinfo.h: Declare fixup_shms_after_fork().
* security.h: Declare alloc_sd().
* tty.cc: Additonal includes to support cygserver.
(tty::common_init): Don't allow others to open us if the cygserver is running.
* winsup.h: Declare cygserver_running.
* cygserver.cc: New file.
* cygserver_client.cc: New file.
* cygserver_shm.cc: New file.
* cygserver_shm.h: New file.
* cygserver_transport.cc: New file.
* cygserver_transport_pipes.cc: New file.
* ipc.cc: New file.
* shm.cc: New file.
* include/cygwin/cygserver.h: New file.
* include/cygwin/cygserver_transport.h: New file.
* include/sys/ipc.h: New file.
* include/sys/shm.h: New file.
2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* thread.cc (semaphore::TryWait): Set errno as required by posix 1003.1.
(__sem_wait): Ditto.
(__sem_trywait): Ditto.
required to allow use of some things from user loaded DLL.
(CW_STRACE_ON): Add new feature.
(CW_CYGWIN_PID_TO_WINPID): Ditto.
* pinfo.cc (set_myself): Call "strace.hello" to initiate possible strace
session.
(pinfo::init): Guard against dereferencing uninitialized myself.
* sigproc.cc (wait_sig): Call strace.hello() when __SIGTRACE "signal" received.
* strace.cc (strace::hello): New method.
* wincap.cc (wincapc::init): Avoid initializing if already initialized.
* wincap.h (wincapc::wincapc): New method.
* include/sys/cygwin.h: Add new CW_ enums. Kludge typedefs of {g,u}id_t if
required.
* strace.h (strace::hello): Declare new method.
* include/sys/ioctl.h: Ditto in declaration.
* dtable.cc (dtable::init_std_file_from_handle): Revert previous
bogus patch.
* window.cc (WndProc): Raise SIGURG instead of SIGIO in case of FD_OOB
message.
Force dependencies for files which depend on autogenerated headers to ensure
that they are always built.
* child_info.h (child_info): Add new fields to accommodate new magic number
header stuff.
* dcrt0.cc: Rely on "child_info_magic.h" to ensure that correct child_info
magic numbers are used.
(dll_crt0_1): Temporarily remove _cygwin_testing_magic test.
(_dll_crt0): Do more testing on magic numbers from fork_info structure. Call
"multiple_cygwin_problem" where appropriate.
(multiple_cygwin_problem): Rename from multiple_cygwin_die. Issue a warning or
die, as appropriate based on cygwin version/magic number mismatch.
* pinfo.cc (pinfo::exit): Don't attempt to dereference `this' if it doesn't
exist. This can happen when a fatal error occurs early in process
initialization.
* shared.cc: Rely on "shared_info_magic.h" to accommodate that new magic number
header stuff.
(shared_info::initialize): Use new magic number stuff, for shared region.
(memory_init): Ditto, for mount table.
* shared_info.h: Accomodate new magic number stuff for shared region and mount
table.
* sigproc.cc: Rely on "child_info_magic.h" to accommodate new magic number
header stuff.
(init_child_info): Initialize new fields in child_info) to accomodate magic
numbers.
* winsup.h: Rename multiple_cygwin_die to multiple_cygwin_problem.
* include/cygwin/version.h: Define macros for manipulating version magic.
* cygmagic: New shell script for generating magic numbers.
EOTWarningZoneSize in get->mt_eotwarningzonesize.
* include/cygwin/mtio.h: Define DEFTAPE.
(struct mtget): Add member `mt_eotwarningzonesize'. Add a comment.
* include/cygwin/version.h: Bump API minor version to 47.
* dir.cc (dirfd): New function.
(opendir): Open a directory file descriptor and save it in
__d_dirent->d_fd.
(closedir): Close directory file descriptor.
* include/cygwin/version.h: Bump API minor version to 44.
* fhandler.cc (fhandler_base::fcntl): Only set specific O_NDELAY style flag
passed in from application.
* fhandler_socket.cc (fhandler_socket::fcntl): Ditto.
* fhandler.h: Set constant for future use.
* winsup.h: Define OLD_O_NDELAY only for old programs.
* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK.
* path.cc (chdir): Guard against invalid parameter.
(fchdir): New function.
* include/cygwin/version.h: Bump API minor version to 40.
* uinfo.cc (internal_getlogin): Remove unused variable.
Throughout, change 'OutputStopped' to 'output_stopped', for consistency.
* dtable.cc (stdio_init): Set controlling tty if not set by stdio opens.
* exceptions.cc (ctrl_c_handler): Avoid special pgid checking if no tty is
associated with the process.
(Suggested by Tim Baker <dbaker@direct.ca>)
* external.cc (fillout_pinfo): Return actual tty number for ctty.
* fhandler_console.cc (get_tty_stuff): Set ctty when shared memory is
allocated. Accept flags input from open().
(set_console_ctty): New function.
(fhandler_console::open): Pass flags to get_tty_stuff and rely on this function
to set the ctty, if appropriate.
* fhandler_termios.cc (fhandler_termios::set_ctty): Move to tty_min class.
* fhandler_tty.cc (fhandler_tty_slave::open): Use tc field to access
set_ctty().
* tty.h (TTY_CONSOLE): Move to include/sys/cygwin.h.
(tty_min): Add set_ctty class here.
* include/sys/cygwin.h (TTY_CONSOLE): New home here.
* path.cc (symlink_info): Make contents an actual buffer. Pass more flags to
case_check.
(path_conv::check): Reorganize to do parsing based on posix path rather than
native path.
(symlink_info::check): Expect posix path as input. Translate to native path
here. Accept path_conv flags. Stop parsing if not a symlink regardless of
whether previous path was a symlink.
* fhandler_dsp.cc: New file. Implements OSS like /dev/dsp.
* include/sys/soundcard.h: New file. User land includes for OSS /dev/dsp.
* fhandler.h: Add new class fhandler_dev_dsp and a FH_OSS_DSP definition.
* dtable.cc (dtable::build_fhandler): Allow creation of the /dev/dsp device.
* path.cc (windows_device_names): Add /dev/dsp into list of device names.
* Makefile.in (DLL_OFILES): Add fhandler_dsp.o.
* cygwin.din: Remove @PTH_ALLOW@ prefixes to pthread functions.
Add new pthread exports.
* pthread.cc: New wrapper functions for the above new exports.
* sched.cc (valid_sched_parameters): New function.
(sched_setparam): Use it.
(sched_set_thread_priority): New function. Used by pthread_sched*.
* thread.cc (pthread_key_destructor::InsertAfter): New function.
(pthread_key_destructor::UnlinkNext): New function.
(pthread_key_destructor::Next): New function.
(pthread_key_destructor_list::Insert): New function.
(pthread_key_destructor_list::Remove): New function.
(pthread_key_destructor_list::Pop): New function.
(pthread_key_destructor::pthread_key_destructor): New function.
(pthread_key_destructor_list::IterateNull): New function.
(MTinterface::Init): Initialise new member.
(pthread::pthread): Initialise new members.
(pthread::create): Copy new attributes. Set the new thread priority.
(pthread_attr::pthread_attr): Initialise new members.
(pthread_key::pthread_key): Setup destructor function.
(pthread_key::~pthread_key): Remove destructor function.
(pthread_mutexattr::pthread_mutexattr): New function.
(pthread_mutexattr::~pthread_mutexattr): New function.
(__pthread_once): New function.
(__pthread_cleanup): New function.
(__pthread_cancel): New function.
(__pthread_setcancelstate): New function.
(__pthread_setcanceltype): New function.
(__pthread_testcancel): New function.
(__pthread_attr_getinheritsched): New function.
(__pthread_attr_getschedparam): New function.
(__pthread_attr_getschedpolicy): New function.
(__pthread_attr_getscope): New function.
(__pthread_attr_setinheritsched): New function.
(__pthread_attr_setschedparam): New function.
(__pthread_attr_setschedpolicy): New function.
(__pthread_attr_setscope): New function.
(__pthread_exit): Call any key destructors on thread exit.
(__pthread_join): Use the embedded attr values.
(__pthread_detach): Use the embedded attr values.
(__pthread_getconcurrency): New function.
(__pthread_getschedparam): New function.
(__pthread_key_create): Pass the destructor on object creation.
(__pthread_key_delete): Correct incorrect prototype.
(__pthread_setconcurrency): New function.
(__pthread_setschedparam): New function.
(__pthread_cond_timedwait): Support static mutex initialisers.
(__pthread_cond_wait): Ditto.
(__pthread_mutex_getprioceiling): New function.
(__pthread_mutex_lock): Support static mutex initialisers.
(__pthread_mutex_trylock): Ditto.
(__pthread_mutex_unlock): Ditto.
(__pthread_mutex_destroy): Ditto.
(__pthread_mutex_setprioceiling): New function.
(__pthread_mutexattr_getprotocol): New function.
(__pthread_mutexattr_getpshared): New function.
(__pthread_mutexattr_gettype): New function.
(__pthread_mutexattr_init): New function.
(__pthread_mutexattr_destroy): New function.
(__pthread_mutexattr_setprotocol): New function.
(__pthread_mutexattr_setprioceiling): New function.
(__pthread_mutexattr_getprioceiling): New function.
(__pthread_mutexattr_setpshared): New function.
(__pthread_mutexattr_settype): New function.
Remove stubs for non MT_SAFE compilation.
* thread.h: Remove duplicate #defines.
Add prototypes for new functions in thread.cc.
(pthread_key_destructor): New class.
(pthread_key_destructor_list): New class.
(pthread_attr): Add new members.
(pthread): Remove members that are duplicated in the pthread_attr class.
(pthread_mutex_attr): Add new members.
(pthread_once): New class.
* include/pthread.h: Add prototypes for new functions exported from cygwin1.dll.
Remove typedefs.
* include/sched.h: Add prototypes for new functions in sched.cc.
* include/cygwin/types.h: Add typedefs from pthread.h
* pthread.cc (pthread_cond_*): Add wrapper functions that call __pthread_cond*
functions.
* thread.cc (__pthread_cond_*): Implement the pthread_cond* functions.
* thread.h: Add new class entries and prototypes for __pthread_cond* functions.
* include/pthread.h: user land header prototypes for pthread_cond* functions
and related defines.
chrisiasci@aol.com).
* cygwin.din: Add a new, internally used export - _check_for_executable.
* dcrt0.cc (dll_crt0_1): Set _check_for_executable for older binaries. Pass
user_data to premain functions.
* fhandler.cc (fhandler_disk_file::open): Only check for executable if the
linked program is intereested in the executable bit.
(fhandler_disk_file::check_execable_p): Delete.
* fhandler.h (executable_states): New enumeration of various states of
executable bit caring.
(fhandler_base::set_execable_p): New method.
* fhandler_termios.cc (fhandler_termios::line_edit): Flag when a signal has
been sent to the tty. Return -1 when this is so.
* fhandler_console.cc (fhandler_console::read): Return -1 when signal sending
character encountered.
* path.cc (path_conv::check): Record when path refers to a disk device. Move
executable extension check here.
(check_sysfile): Accomodate new EXEC path states.
(has_suffix): Remove.
(next_suffix): Remove.
(class suffix_scan): New clas.
(suffix_scan::has): New method.
(suffix_scan:next): New method.
(symlink_info::check): Use suffix_scan method to control for scanning for
suffixes.
* path.h (path_conv::exec_state): New method.
* perprocess.h: Make "C" friendly.
* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_S_IEXEC. Bump
CYGWIN_VERSION_API_MINOR.
* include/sys/cygwin.h: Change premain declarations.
* winsup.h: Move __cplusplus test to after builtin defines.
adding an va_list interface to strace.
(strace::printf): Calls strace::vprntf now.
(strace_printf): New function providing an extern "C" interface to
trace output.
* include/sys/strace.h: Make plain C clean.
(class strace): Add `vprntf' method.
* thread.cc (MTinterface::Init): Remove the initialization of `reent_data'.
* dcrt0.cc: Add the initalizer to the declaration of `reent_data'.
* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 35.
Add LoadDLLfuncEx statements for GetIfTable@12 and GetIpAddrTable@12.
* fhandler_socket.cc (fhandler_socket::ioctl): Move variable
definitions to the beginning of the function to allow better debugging.
Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
* net.cc: Include iphlpapi.h.
(get_2k_ifconf): Rewritten. Uses IP Helper API now.
(get_nt_ifconf): Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC
and SIOCGIFMTU.
(get_95_ifconf): Ditto. Renamed from `get_9x_ifconf'.
(get_ifconf): Name loopback `lo' instead of `lo0' as in Linux.
Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
Call `get_95_ifconf' only on Windows 95, `get_nt_ifconf' only
on Windows NT < Service Pack 3, `get_2k_ifconf otherwise.
* include/asm/socket.h: Add defines for SIOCGIFHWADDR, SIOCGIFMETRIC
and SIOCGIFMTU.
* include/cygwin/if.h: Add `ifr_hwaddr', `ifr_metric' and `ifr_mtu'.
(struct ifreq): Add `ifru_hwaddr'.
* environ.cc (codepage_init): To here.
* exceptoins.cc (SIG_NONMASKABLE): Remove SIGCONT from consideration since it
is supposed to be maskable.
* signal.cc (sigaction): Ditto.
* sigproc.cc (wait_sig): Ditto.
* winsup.h: Eliminate global declaration of codepage_init.
* exceptions.cc (stackdump): Avoid creating stackdump when
`rlim_core' is 0.
* resource.cc: New global variable `rlim_core'.
(getrlimit): New function.
(setrlimit): Ditto.
include/cygwin/version.h: Bump minor API version to 32 due to
adding `getrlimit' and `setrlimit'.
include/sys/resource.h: Add defines, types and prototypes for
`getrlimit' and `setrlimit'.
conjunction with older binaries.
(environ_init): Ditto.
* external.cc (get_cygdrive_info): New function.
* external.cc (get_cygdrive_prefixes): Change to use get_cygdrive_info but toss
the user and system flags.
* external.cc (cygwin_internal): Add new CW_GET_CYGDRIVE_INFO case.
* path.cc (mount_info::get_cygdrive_prefixes): Remove method.
* path.cc (mount_info::get_cygdrive_info): New method. Actually,
get_cygdrive_info is really an enhanced version of get_cygdrive_prefixes
renamed to get_cygdrive_info that also gets the user and system flags.
* shared_info.h (get_cygdrive_prefixes): Remove method.
* shared_info.h (get_cygdrive_info): New method.
* include/cygwin/version.h: Bump minor API version due to adding
CW_GET_CYGDRIVE_INFO to cygwin_internal.
* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_CYGDRIVE_INFO.
execed process to avoid a race.
* sigproc.cc (wait_subproc): Print more info when a WFSO error occurs.
* automode.c: New file.
* syscalls.cc (close_all_files): Streamline slightly.
* cygheap.cc (ccalloc): Clear *entire* allocated array.
* path.h: Remove unneeded extern.
* spawn.cc (std_suffixes): Make static. Don't set dwProcessId here since it
makes the process unsignalable. Set strace flag that this is an execed process
stub.
* strace.cc (strace::vsprntf): Use strace flag to indicate when to visually
flag that this is an exec stub.
* include/sys/strace.h (strace): Add 'execing' flag.
* dcrt0.cc (dll_crt0_1): Call signal_fixup_after_exec where appropriate. Set
myself->uid from parent version. Just use ThreadItem Init method. Close or
store hexec_proc as appropriate.
(_dll_crt0): Store user_data->forkee here so that proper tests can be made
subsequently.
(do_exit): Remove hExeced stuff.
* environ.cc (environ_init): Accept environ count as well as environ pointer.
* environ.h: Reflect above change.
* pinfo.cc (pinfo_init): Ditto. Accept environ count.
(fixup_in_spawned_child): Remove.
* spawn.cc (spawn_guts): Move signal code to dll_crt0_1. Don't suspend execing
process since it is no longer necessary. Store envc.
* exceptions.cc (signal_fixup_after_exec): New function.
(call_handler): Remove hExeced test.
* child_info.h (cygheap_exec_info): Store envc as well as envp.
(child_info_spawn): Store hexec_proc so that it can be closed in child.
* path.cc (normalize_posix_path): Avoid intermediate use of temporary cwd buf.
(normalize_win32_path): Ditto.
(cwdstuff::get_initial): Always set lock.
* sigproc.h: Remove hExeced.
* strace.cc (strace::vsprntf): Modify to accomodate for lack of hExeced.
* thread.cc (MTinterface::Init): Merge Init1 and ClearReent into this method.
(MTinterface::Init1): Eliminate.
(MTinterface::ClearReent): Eliminate.
* thread.h: Reflect above changes.
* include/sys/strace.h (strace): Make microseconds() public. Make various
functions 'regparm', throughout.
* pinfo.h (_pinfo): Inline simple signal manipulation functions. Requires
inclusion of thread.h which was removed from .cc files, where appropriate.
throughout.
* pinfo.cc: Eliminate signal manipulation functions.
(_pinfo::exit): Calculate total rusage for exiting process here.
* cygheap.cc (size2bucket): Eliminate.
(init_buckets): Ditto.
(_cmalloc): Calculate size and bits in a loop rather than going through a
function call.
(_crealloc): Use stored array index to calculate allocated size.
* spawn.cc (spawn_guts): Use _pinfo exit method to exit, calculating cpu usage.
console_handler_thread_waiter. It is obsolete.
(ctrl_c_handler): Don't use console_handler_thread_waiter.
* path.cc (hash_path_name): Fix handling of relative names. Make case
insensitive.
* path.h (suffix_info): Use initializers.
* pinfo.h (_pinfo): Avoid initializers for null case.
* resource.cc (fill_rusage): Zero rest of rusage structure.
* security.cc (set_process_privileges): Don't reopen parent process. Just use
hMainProc.
* signal.cc (signal): Track when a signal handler has been used.
(sigaction): Ditto.
* sigproc.cc (pchildren): Use default initializer.
(zombies): Ditto.
(sigproc_terminate): Avoid closing handles that will be closed on exit anyway.
(wait_sig): Send signal to "parent" on EXECing, not FORKing.
(wait_subproc): Send SIGCHLD here rather than in proc_wait to avoid potential
muto conflicts.
* sigproc.h (sigthread): Don't initialize to zero. It's the default.
* spawn.cc (spawn_guts): Fill in resources from exec parent prior to
termination.
* sync.h (muto): Don't initialize to zero.
* syscalls.cc (close_all_files): Use one lock around entire loop and call
fhandler close/release stuff directly.
(_read): Don't use ready_for_read if there are not signal handlers active.
* dcrt0.cc (dll_crt0_1): Fix display of "title".
(do_exit): Use pinfo exit method to exit.
(__api_fatal): Ditto.
* exceptions.cc (signal_exit): Ditto.
* fork.cc (fork_child): Remove debugging stuff. Use pinfo_fixup_after fork in
place of exec_fixup_after_fork.
* pinfo.cc (pinfo_fixup_after_fork): New method.
(pinfo_fixup_in_spawned_child): Ditto.
(_pinfo::exit): New method.
(_pinfo::init): Remove recursion. Detect pathological case where pinfo
structure already exists for new pid.
* pinfo.h (_pinfo): Reorganize slightly. Add new method and new function
declarations.
* sigproc.cc (proc_exists): Previous simplification was a little to simple.
Try harder to detect if a process exists.
(proc_terminate): Use PID_EXITED setting to determine if process is still
around.
(WFSO): Remove debugging statement.
(WFMO): Ditto.
* spawn.cc (exec_fixup_after_fork): Eliminate.
(spawn_guts): Always set old_title to NULL. Is it really needed? Move
hexec_proc to pinfo.cc. Call pinfo_fixup_in_spawned_child to eliminate handle
link after a spawn.
* include/sys/cygwin.h: Remove PID_NOT_IN_USE. Add PID_EXITED.
* net.cc: Change meaning of member `s' of struct host_errmap.
(set_host_errno): Fix error in loop condition.
(hstrerror): Ditto.
(herror): Add appropriate functionality.
* include/netdb.h: Add declaration of hstrerror.
* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 29.
(_dll_crt0): To here.
(cygwin_dll_init): And here.
* external.cc (fillout_pinfo): Use more foolproof method for scanning for pids.
* pinfo.cc (set_myself): Eliminate myself_identity.init.
* sigproc.cc (wait_sig): Do it here instead to reduce the amount of time where
there could potentially be two processes with the same pid.
* spawn.cc (spawn_guts): Eliminate duplicate initialization.
* include/sys/cygwin.h: Mark unused PID_* elements.
exception handling on threads not created by cygwin.
* sigproc.cc (proc_terminate): Don't release pinfo structs since we are
exiting.
* include/sys/cygwin.h: Add CW_INIT_EXCEPTIONS.
if fd is invalid. Return POLLERR for each valid fd if cygwin_select
returned with error.
include/sys/poll.h: Change POLLERR comment according to above change.
variable argument macros when possible.
* sigproc.cc: Throughout, use sigproc_printf rather than sip_printf.
* strace.cc (strace::prntf): Remove 'active' check, since callers are supposed
to ensure this.
(__system_printf): Remove. Subsumed by strace::prntf.
* winsup.h: Define "NEW_MACRO_VARARGS" to indicate when to use new macro
varargs capability.
the changes below. Redefine process structure to avoid a fixed size table.
Redefine pinfo/_pinfo classes. Use these throughout.
* dcrt0.cc (dll_crt0_1): Accomodate set_myself argument change.
(__api_fatal): Accomodate _pinfo::record_death argument change.
* exceptions.cc (really_exit): Ditto.
(sig_handle_tty_stop): Use pinfo constructor to access process info.
(events_init): Don't create pinfo_mutex since it is no longer required.
* external.cc (fillout_pinfo): Use winpids class to iterate over all system
pids.
(cygwin_internal): lock_pinfo_for_update and unlock_pinfo are now noops.
* fhandler_termios.cc (fhandler_termios::set_ctty): Use pinfo constructor to
access process info.
* fork.cc (fork): Reorganize to initialize child info after the child has
started since that is when we know the child's winpid, which is necessary to
allocate the pinfo shared memory.
* mmap.cc (recreate_mmaps_after_fork): Change arg type to _pinfo.
* pinfo.cc: Rename pinfo methods to _pinfo throughout. Eliminate pinfo_list
stuff.
(set_myself): Accept a pid argument now. Call pinfo initializer to initialize
myself. Detect when this is an "execed" process and create an "indirect" pid
block.
(pinfo_init): Accomodate set_myself arg change.
(procinfo): Remove.
(pinfo::lock_pinfo): Remove.
(pinfo::unlock_pinfo): Remove.
(pinfo::init): New method. Allocates shared memory space for process pinfo
structure.
(pinfo::record_death): Don't call locking functions.
(cygwin_winpid_to_pid): Simplify by using new pinfo constructor.
(EnumProcessesW95): New function for iterating over processes on Windows 95.
(winpids::winpids): New constructor for winpids class. Sets up a list of
process ids.
(enum_init): Initialize w95/wnt pid enumerators.
* shared.cc (shared-info::initialize): Remove pid initialization.
* shared.h: Move pinfo stuff into pinfo.h.
(class shared_info): Remove pinfo_list element.
* signal.cc (kill_worker): Use pinfo constructor to access process info.
(kill_pgrp): Ditto. Use winpids methods to access list of processes.
* sigproc.cc: Throughout, modify to use _pinfo where appropriate.
(proc_exists (pid_t)): New function. Determines if a process exists based on
the pid.
(proc_exists (_pinfo *p): Use new proc_exists function above.
(proc_subproc): Copy pinfo stuff around rather than _pinfo pointers. Try to be
careful about releasing shared memory when we don't need it anymore. Remove
pinfo locks.
(remove_zombies): Remove pinfo memory when zombie is going away.
* sigproc.h: Reflect _pinfo/pinfo changes in sigproc.cc.
* spawn.cc (spawn_guts): Eliminate pinfo *child argument. Reorganize to only
initialize child pinfo after process has been started and we know the windows
pid.
(_spawnve): Reflect spawn_guts changes.
* syscalls.cc (setpgid): Use pinfo constructor to access process info.
(getpgid): Ditto.
(internal_getlogin): Use _pinfo.
* winsup.h: Eliminate pinfo_mutex. Eliminate spawn_guts declaration since it
is static now. Reflect set_myself argument change.
* include/sys/cygwin.h: Add some PID_* enums to accomodate new pinfo stuff.
* include/cygwin/version.h: Update minor version for cygdrive changes below.
* lib/cygwin_crt0.c: Inexplicably need to define alloca for newer compilers.
* fhandler.h (fhandler_console): Add new method.
* fhandler.cc (fhandler_console::set_cursor_maybe): New method.
(fhandler_console::read): Set cursor if it has moved to make it visible.
* external.cc (get_cygdrive_prefixes): New function.
(cygwin_internal): Add CW_GET_CYGDRIVE_PREFIXES case.
* path.cc (mount_info::read_cygdrive_info_from_registry): Read system cygdrive
prefix if user one is undefined.
(mount_info::write_cygdrive_info_to_registry): Write cygdrive prefix to the
appropriate registry hive. Overwrite in-memory copy of cygdrive, if
appropriate.
(mount_info::remove_cygdrive_info_from_registry): New method.
(mount_info::get_cygdrive_prefixes): New method.
(cygwin_umount): Remove cygdrive prefix, if appropriate.
* registry.cc (reg_key::killvalue): New method.
* shared.h (class reg_key): Add killvalue, remove_cygdrive_info_to_registry,
and get_cygdrive_prefixes declarations.
* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_CYGDRIVE_PREFIXES.
Christopher Faylor
Corinna Vinschen
Conrad Scott
Robert Collins
Egor Duda
DJ Delorie